224 
USTILAGINACEAE, 
Ustilago trichopterygis, Massce. (Figs. 1 
Sori olivaceo-atri, compacti, dein aren ovarium implec- 
tentes. Sporae ellipsoideae vel globosae, acl ae orio levissimo, 
fuligineo-olivaceae, 4° ies x 3°5u vel 3°5—4'5u diam 
TROPICAL AFRI N. Nigeria: ee in ovaries of 
Trichopteryx hordeiforms, Stapf. J. M. Dalziel, 276. 
Resembling lago olivacea, Tul., in habit and in general 
appearance, but asthe raishod by the much smaller, smooth spores. 
Ustilago virens, Cooke. 
SUMATRA. Indragiri : on rice, Ridley, 11,252. Coll. C, Curtis. 
Ustilago polytriadis, Massee 
Sort ovaria tantum implectentes ac ea globose See friabiles, 
cito pulverulenti, aterrimi. Sporae globosae vel mutua pressione 
obtuse angulatae, 15-16» diam., atro-fuligineae, opacae, leves vel 
vix subrugulosae. 
-Matay Perninsunta. Malacca: in the ovaries of Polytrias 
- praemorsa, Hack. 
Resembling Ustilago australis, Cooke, in general ape and 
habit, but differing in the lar eee and darker coloured spores 
Ustilago vastatoria, Mass 
Sori bases peduncu doen folia vaginasque nondum evolutas 
infestantes, eaque saepe majuscule distendentes, primo epidermide 
tenui tecti, dem nudi ac pulyerulenti, fusco-atri. Sporae sub- 
globosae, intense subopace fuligineae, episporio minutissime 
denseque papilloso, 15-17 diam 
TropicaL AFRICA. Baghirmi, N., between Massema and 
LENS on Panicum sp., Chevalier, 9638. 
mewhat resembling Ustilago hypodytes, Fr., in habit, but 
Aeinguchad by the much larger spores. 
UREDINACEAE. 
Puccinia cymbopogonis, Massee. 
Maculae epiphyllae, rubescentes vel fulvescentes, indeter- 
minatae. Acervuli hypophylli, minuti, lineares, erumpentes, super- 
ficiales, pulverulenti, saepius densissime gregarii et totum folium 
occupantes, cimamomei. Uredosporae sphaeroideae vel ovatae, 
20-33,4 incrassato minutissime striatulo intense cinnamomeo, 
TroPICAL AFRIC Uganda : Entebbe, on Gonbiagsh 
citratus, Stapf. R. Fuffe. 
This appears to be a very destructive parasite. The Lemon 
grass was taken from a plot in the Botanic Gardens, Entebbe, and 
practically every leaf was —— 
 Puccinia pulvinata, Mas 
Maculae nullae. yan hypophylli vel amphigeni, concentrice 
vel areolatim in centro dens: slus dis positi, pulvina rominuli, 
compacti, intense cinnamomei dein grisei et’ subpulverulenti, 
